From 40b3dd7152d4303394c9b65d9e8718a0ff55d703 Mon Sep 17 00:00:00 2001
From: wisp3rwind <17089248+wisp3rwind@users.noreply.github.com>
Date: Tue, 22 Mar 2022 21:22:08 +0100
Subject: [PATCH] artresizer: add a comment to clarify the meaning of class
 variables

---
 beets/util/artresizer.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/beets/util/artresizer.py b/beets/util/artresizer.py
index 5e619b5ca..904559830 100644
--- a/beets/util/artresizer.py
+++ b/beets/util/artresizer.py
@@ -76,6 +76,10 @@ class LocalBackend:
 
 class IMBackend(LocalBackend):
     NAME = "ImageMagick"
+
+    # These fields are used as a cache for `version()`. `_legacy` indicates
+    # whether the modern `magick` binary is available or whether to fall back
+    # to the old-style `convert`, `identify`, etc. commands.
     _version = None
     _legacy = None